🥳🥳Welcome Huihui's Code World ! !🥳🥳
接下来看看由辉辉所写的关于Vue的相关操作吧
目录
🥳🥳Welcome Huihui's Code World ! !🥳🥳
一.ElementUI是什么
💡准备工作💡
1.搭建一个SPA项目
2.前后端分离准备
①确保SPA项目能够运行起来
②将api文件夹导入src目录
③下载js依赖
二.登录
①在src目录下创建views目录
②在main.js中引入element-ui模块
③建用户登录组件Login.vue
④定义组件的和路由的关系
效果预览
💡get请求&post请求的区别💡
①get请求
②post请求
三.注册
①建用户登录组件Register.vue
②定义组件的和路由的关系
③biz
④bizimpl
⑤controller
效果预览
四.跨域问题
①什么是跨域问题
②怎么产生的？
③怎么解决
一.ElementUI是什么
ElementUI是一个基于Vue.js的开源UI库，用于快速构建Web界面。它提供了丰富的组件和直观的设计，使开发者能够轻松地创建漂亮、响应式和高效的用户界面。ElementUI具有可定制性强、易于使用和维护的特点，被广泛用于企业级应用的开发中。它提供了诸如按钮、表单、表格、对话框等常见的UI组件，可以帮助开发者快速构建出现代化的网页应用程序
💡准备工作💡
1.搭建一个SPA项目
详细步骤点这
2.前后端分离准备
①确保SPA项目能够运行起来
标志: 能够返回数据
🔺导入ssm项目
②将api文件夹导入src目录
http.js是对axios的全局配置
action.js是封装后台请求的地址
（这样我们就不需要在多个组件中都重复导入需要使用的js等）
③下载js依赖
▲axios：前端向后台发送请求
npm i axios -S
▲qs：解决发送post请求代码冗余的问题
npm i qs -s
▲ElementUI：快速布局
npm install element-ui -S//使用命令npm install element-ui -S，添加Element-UI模块🔺npm install element-ui -S /-D /-G有什么区别?
npm install element-ui -S：安装ElementUI的最新版本，适用于开发人员（参与打包）npm install element-ui -d：安装ElementUI的指定版本，但不将其添加到package.json文件中，适用于开发人员（不参与打包）npm install element-ui -g：安装ElementUI的全局版本，适用于开发人员和系统管理员（全局node_global）
▲vue-axios：将axios依赖整合进vue中
npm i vue-axios -S
二.登录
①在src目录下创建views目录
该目录用于存放vue组件
②在main.js中引入element-ui模块
新添加1和新添加2一定要在import App from './App'之前
// The Vue build version to load with the `import` command // (runtime-only or standalone) has been set in webpack.base.conf with an alias. import Vue from 'vue' // 新添加1 import ElementUI from 'element-ui' // 新添加2，避免后期打包样式不同，要放在import App from './App';之前 import 'element-ui/lib/theme-chalk/index.css' import App from './App' import router from './router' // 新添加3 Vue.use(ElementUI) Vue.config.productionTip = false /* eslint-disable no-new */ new Vue({ el: '#app', router, components: { App }, template: '<App/>' })③建用户登录组件
Login.vue<template> <div class="login-wrap"> <el-form class="login-container"> <h1 class="title">用户登录</h1> <el-form-item label=""> <el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input> </el-form-item> <el-form-item label=""> <el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input> </el-form-item> <el-form-item> <el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button> </el-form-item> <el-row style="text-align: center;margin-top:-10px"> <el-link type="primary">忘记密码</el-link> <el-link type="primary" @click="gotoRegister()">用户注册</el-link> </el-row> </el-form> </div> </template> <script> // import axios from 'axios' // import qs from 'qs' export default { name: 'Login', data() { return { username: '', password: '', } }, methods: { gotoRegister() { this.$router.push('/Register'); }, doSubmit() { let url = this.axios.urls.SYSTEM_USER_DOLOGIN; let params = { username: this.username, password: this.password }; //get请求 // console.log(params); /* axios.get(url, { params: params }).then(r => { console.log(r); if (r.data.success) { this.$message({ message: r.data.msg, type: 'success' }); }else{ this.$message.error(r.data.msg); } }).catch(e => { console.log(e); }) */ //post请求 this.axios.post(url, params).then(r => { console.log(r); if (r.data.success) { this.$message({ message: r.data.msg, type: 'success' }); } else { this.$message.error(r.data.msg); } }).catch(e => { console.log(e); }) } } } </script> <style scoped> .login-wrap { box-sizing: border-box; width: 100%; height: 100%; padding-top: 10%; background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
                    <ellipse id="Oval-11" fill="#CFDAE6" opacity="0.25" cx="63.5748792" cy="32.468367" rx="21.7830479" ry="21.766008"></ellipse>
                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
                    <path d="M42.1431708,26.5002681 L7.71190162,14.5640702" id="Path-16" stroke="#E0B4B7" stroke-width="0.702678964" opacity="0.7" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <path d="M63.9262187,33.521561 L43.6721326,69.3250951" id="Path-15" stroke="#BACAD9" stroke-width="0.702678964" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
                        <ellipse id="Oval-4" opacity="0.45" cx="9.13482653" cy="9.12768076" rx="9.13482653" ry="9.12768076"></ellipse>
                        <path d="M18.2696531,18.2553615 C18.2696531,13.2142826 14.1798519,9.12768076 9.13482653,9.12768076 C4.08980114,9.12768076 0,13.2142826 0,18.2553615 L18.2696531,18.2553615 Z" id="Oval-4" transform="translate(9.134827, 13.691521) scale(-1, -1) translate(-9.134827, -13.691521) "></path>
                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.25" cx="29.1176471" cy="29.1402439" rx="29.1176471" ry="29.1402439"></ellipse>
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.3" cx="29.1176471" cy="29.1402439" rx="21.5686275" ry="21.5853659"></ellipse>
                    <ellipse id="Oval-2-Copy" stroke="#CFDAE6" opacity="0.4" cx="179.019608" cy="138.146341" rx="23.7254902" ry="23.7439024"></ellipse>
                    <ellipse id="Oval-2" fill="#BACAD9" opacity="0.5" cx="29.1176471" cy="29.1402439" rx="10.7843137" ry="10.7926829"></ellipse>
                    <path d="M29.1176471,39.9329268 L29.1176471,18.347561 C23.1616351,18.347561 18.3333333,23.1796097 18.3333333,29.1402439 C18.3333333,35.1008781 23.1616351,39.9329268 29.1176471,39.9329268 Z" id="Oval-2" fill="#BACAD9"></path>
                    <g id="Group-9" opacity="0.45" transform="translate(172.000000, 131.000000)" fill="#E6A1A6">
                        <ellipse id="Oval-2-Copy-2" cx="7.01960784" cy="7.14634146" rx="6.47058824" ry="6.47560976"></ellipse>
                        <path d="M0.549019608,13.6219512 C4.12262681,13.6219512 7.01960784,10.722722 7.01960784,7.14634146 C7.01960784,3.56996095 4.12262681,0.670731707 0.549019608,0.670731707 L0.549019608,13.6219512 Z" id="Oval-2-Copy-2" transform="translate(3.784314, 7.146341) scale(-1, 1) translate(-3.784314, -7.146341) "></path>
                    </g>
                    <ellipse id="Oval-10" fill="#CFDAE6" cx="218.382353" cy="138.685976" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy-2" fill="#E0B4B7" opacity="0.35" cx="179.558824" cy="175.381098" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy" fill="#E0B4B7" opacity="0.35" cx="180.098039" cy="102.530488" rx="2.15686275" ry="2.15853659"></ellipse>
                    <path d="M28.9985381,29.9671598 L171.151018,132.876024" id="Path-11" stroke="#CFDAE6" opacity="0.8"></path>
                </g>
                <g id="Group-10" opacity="0.799999952" transform="translate(1054.100635, 36.659317) rotate(-11.000000) translate(-1054.100635, -36.659317) translate(1026.600635, 4.659317)">
                    <ellipse id="Oval-7" stroke="#CFDAE6" stroke-width="0.941176471" cx="43.8135593" cy="32" rx="11.1864407" ry="11.2941176"></ellipse>
                    <g id="Group-12" transform="translate(34.596774, 23.111111)" fill="#BACAD9">
                        <ellipse id="Oval-7" opacity="0.45" cx="9.18534718" cy="8.88888889" rx="8.47457627" ry="8.55614973"></ellipse>
                        <path d="M9.18534718,17.4450386 C13.8657264,17.4450386 17.6599235,13.6143199 17.6599235,8.88888889 C17.6599235,4.16345787 13.8657264,0.332739156 9.18534718,0.332739156 L9.18534718,17.4450386 Z" id="Oval-7"></path>
                    </g>
                    <path d="M34.6597385,24.809694 L5.71666084,4.76878945" id="Path-2" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                    <ellipse id="Oval" stroke="#CFDAE6" stroke-width="0.941176471" cx="3.26271186" cy="3.29411765" rx="3.26271186" ry="3.29411765"></ellipse>
                    <ellipse id="Oval-Copy" fill="#F7E1AD" cx="2.79661017" cy="61.1764706" rx="2.79661017" ry="2.82352941"></ellipse>
                    <path d="M34.6312443,39.2922712 L5.06366663,59.785082" id="Path-10" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                </g>
                <g id="Group-19" opacity="0.33" transform="translate(1282.537219, 446.502867) rotate(-10.000000) translate(-1282.537219, -446.502867) translate(1142.537219, 327.502867)">
                    <g id="Group-17" transform="translate(141.333539, 104.502742) rotate(275.000000) translate(-141.333539, -104.502742) translate(129.333539, 92.502742)" fill="#BACAD9">
                        <circle id="Oval-4" opacity="0.45" cx="11.6666667" cy="11.6666667" r="11.6666667"></circle>
                        <path d="M23.3333333,23.3333333 C23.3333333,16.8900113 18.1099887,11.6666667 11.6666667,11.6666667 C5.22334459,11.6666667 0,16.8900113 0,23.3333333 L23.3333333,23.3333333 Z" id="Oval-4" transform="translate(11.666667, 17.500000) scale(-1, -1) translate(-11.666667, -17.500000) "></path>
                    </g>
                    <circle id="Oval-5-Copy-6" fill="#CFDAE6" cx="201.833333" cy="87.5" r="5.83333333"></circle>
                    <path d="M143.5,88.8126685 L155.070501,17.6038544" id="Path-17" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M17.5,37.3333333 L127.466252,97.6449735" id="Path-18" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <polyline id="Path-19" stroke="#CFDAE6" stroke-width="1.16666667" points="143.902597 120.302281 174.935455 231.571342 38.5 147.510847 126.366941 110.833333"></polyline>
                    <path d="M159.833333,99.7453842 L195.416667,89.25" id="Path-20" stroke="#E0B4B7" stroke-width="1.16666667" opacity="0.6"></path>
                    <path d="M205.333333,82.1372105 L238.719406,36.1666667" id="Path-24" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M266.723424,132.231988 L207.083333,90.4166667" id="Path-25" stroke="#CFDAE6" stroke-width="1.16666667"></path>
                    <circle id="Oval-5" fill="#C1D1E0" cx="156.916667" cy="8.75" r="8.75"></circle>
                    <circle id="Oval-5-Copy-3" fill="#C1D1E0" cx="39.0833333" cy="148.75" r="5.25"></circle>
                    <circle id="Oval-5-Copy-2" fill-opacity="0.6" fill="#D1DEED" cx="8.75" cy="33.25" r="8.75"></circle>
                    <circle id="Oval-5-Copy-4" fill-opacity="0.6" fill="#D1DEED" cx="243.833333" cy="30.3333333" r="5.83333333"></circle>
                    <circle id="Oval-5-Copy-5" fill="#E0B4B7" cx="175.583333" cy="232.75" r="5.25"></circle>
                </g>
            </g>
        </g>
    </g>
</svg>); /* background-color: #112346; */ background-repeat: no-repeat; background-position: center right; background-size: 100%; } .login-container { border-radius: 10px; margin: 0px auto; width: 350px; padding: 30px 35px 15px 35px; background: #fff; border: 1px solid #eaeaea; text-align: left; box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1); } .title { margin: 0px auto 40px auto; text-align: center; color: #505458; } </style>④定义组件的和路由的关系
import Vue from 'vue' import Router from 'vue-router' import HelloWorld from '@/components/HelloWorld' import Login from '@/views/Login' import Register from '@/views/Register' Vue.use(Router) export default new Router({ routes: [ { path: '/', name: 'Login', component: Login },{ path: '/Login', name: 'Login', component: Login }, { path: '/Register', name: 'Register', component: Register } ] })效果预览
💡get请求&post请求的区别💡
axios.get提交没有问题，axios.post提交后台接收不到数据，因为POST提交的参数的格式是Request Payload，这样后台取不到数据的
①get请求
//get请求 // console.log(params); axios.get(url, { params: params }).then(r => { console.log(r); if (r.data.success) { this.$message({ message: r.data.msg, type: 'success' }); }else{ this.$message.error(r.data.msg); } }).catch(e => { console.log(e); })
②post请求
//post请求 this.axios.post(url, params).then(r => { console.log(r); if (r.data.success) { this.$message({ message: r.data.msg, type: 'success' }); } else { this.$message.error(r.data.msg); } }).catch(e => { console.log(e); })原本的数据
调整之后（使用qs.js库，将{a:'b',c:'d'}转换成'a=b&c=d'）
三.注册
①建用户登录组件
Register.vue<template> <el-form class="login-container"> <h1 class="title">用户注册</h1> <el-form-item label=""> <el-input type="text" v-model="username" placeholder="昵称" autocomplete="off"></el-input> </el-form-item> <el-form-item label=""> <el-input type="password" v-model="password" placeholder="密码" autocomplete="off"></el-input> </el-form-item> <el-form-item label=""> <el-input type="text" v-model="realname" placeholder="真实姓名" autocomplete="off"></el-input> </el-form-item> <el-form-item label="性别"> <el-radio-group v-model="sex"> <el-radio label="男"></el-radio> <el-radio label="女"></el-radio> </el-radio-group> </el-form-item> <el-form-item label="身份证号码"> <el-input v-model="idcard"></el-input> </el-form-item> <el-form-item label="地址"> <el-select v-model="address" placeholder="==请选择=="> <el-option label="上海" value="shanghai"></el-option> <el-option label="北京" value="beijing"></el-option> </el-select> </el-form-item> <el-form-item label="本地住址"> <el-input v-model="nativeplace"></el-input> </el-form-item> <el-form-item> <el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button> </el-form-item> <el-row style="text-align: center;margin-top:-10px"> <el-link type="primary">忘记密码</el-link> <el-link type="primary" @click="gotoLogin()">用户登录</el-link> </el-row> </el-form> </div> </template> <script> // import axios from 'axios' // import qs from 'qs' export default { name: 'Register' , data() { return { username: '', password: '', realname:'', sex:'', idcard:'', address:'', nativeplace:'' } }, methods: { gotoLogin() { this.$router.push('/Login'); }, doSubmit() { let url = this.axios.urls.SYSTEM_USER_DOREG; let params = { username: this.username, password: this.password, realname:this.realname, sex:this.sex, idcard:this.idcard, address:this.address, nativeplace:this.nativeplace }; //post请求 this.axios.post(url, params).then(r => { console.log(r); if (r.data.success) { this.$message({ message: r.data.msg, type: 'success' }); } else { this.$message.error(r.data.msg); } }).catch(e => { console.log(e); }) } } } </script> <style scoped> .login-wrap { box-sizing: border-box; width: 100%; height: 100%; padding-top: 10%; background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
                    <ellipse id="Oval-11" fill="#CFDAE6" opacity="0.25" cx="63.5748792" cy="32.468367" rx="21.7830479" ry="21.766008"></ellipse>
                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
                    <path d="M42.1431708,26.5002681 L7.71190162,14.5640702" id="Path-16" stroke="#E0B4B7" stroke-width="0.702678964" opacity="0.7" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <path d="M63.9262187,33.521561 L43.6721326,69.3250951" id="Path-15" stroke="#BACAD9" stroke-width="0.702678964" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
                        <ellipse id="Oval-4" opacity="0.45" cx="9.13482653" cy="9.12768076" rx="9.13482653" ry="9.12768076"></ellipse>
                        <path d="M18.2696531,18.2553615 C18.2696531,13.2142826 14.1798519,9.12768076 9.13482653,9.12768076 C4.08980114,9.12768076 0,13.2142826 0,18.2553615 L18.2696531,18.2553615 Z" id="Oval-4" transform="translate(9.134827, 13.691521) scale(-1, -1) translate(-9.134827, -13.691521) "></path>
                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.25" cx="29.1176471" cy="29.1402439" rx="29.1176471" ry="29.1402439"></ellipse>
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.3" cx="29.1176471" cy="29.1402439" rx="21.5686275" ry="21.5853659"></ellipse>
                    <ellipse id="Oval-2-Copy" stroke="#CFDAE6" opacity="0.4" cx="179.019608" cy="138.146341" rx="23.7254902" ry="23.7439024"></ellipse>
                    <ellipse id="Oval-2" fill="#BACAD9" opacity="0.5" cx="29.1176471" cy="29.1402439" rx="10.7843137" ry="10.7926829"></ellipse>
                    <path d="M29.1176471,39.9329268 L29.1176471,18.347561 C23.1616351,18.347561 18.3333333,23.1796097 18.3333333,29.1402439 C18.3333333,35.1008781 23.1616351,39.9329268 29.1176471,39.9329268 Z" id="Oval-2" fill="#BACAD9"></path>
                    <g id="Group-9" opacity="0.45" transform="translate(172.000000, 131.000000)" fill="#E6A1A6">
                        <ellipse id="Oval-2-Copy-2" cx="7.01960784" cy="7.14634146" rx="6.47058824" ry="6.47560976"></ellipse>
                        <path d="M0.549019608,13.6219512 C4.12262681,13.6219512 7.01960784,10.722722 7.01960784,7.14634146 C7.01960784,3.56996095 4.12262681,0.670731707 0.549019608,0.670731707 L0.549019608,13.6219512 Z" id="Oval-2-Copy-2" transform="translate(3.784314, 7.146341) scale(-1, 1) translate(-3.784314, -7.146341) "></path>
                    </g>
                    <ellipse id="Oval-10" fill="#CFDAE6" cx="218.382353" cy="138.685976" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy-2" fill="#E0B4B7" opacity="0.35" cx="179.558824" cy="175.381098" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy" fill="#E0B4B7" opacity="0.35" cx="180.098039" cy="102.530488" rx="2.15686275" ry="2.15853659"></ellipse>
                    <path d="M28.9985381,29.9671598 L171.151018,132.876024" id="Path-11" stroke="#CFDAE6" opacity="0.8"></path>
                </g>
                <g id="Group-10" opacity="0.799999952" transform="translate(1054.100635, 36.659317) rotate(-11.000000) translate(-1054.100635, -36.659317) translate(1026.600635, 4.659317)">
                    <ellipse id="Oval-7" stroke="#CFDAE6" stroke-width="0.941176471" cx="43.8135593" cy="32" rx="11.1864407" ry="11.2941176"></ellipse>
                    <g id="Group-12" transform="translate(34.596774, 23.111111)" fill="#BACAD9">
                        <ellipse id="Oval-7" opacity="0.45" cx="9.18534718" cy="8.88888889" rx="8.47457627" ry="8.55614973"></ellipse>
                        <path d="M9.18534718,17.4450386 C13.8657264,17.4450386 17.6599235,13.6143199 17.6599235,8.88888889 C17.6599235,4.16345787 13.8657264,0.332739156 9.18534718,0.332739156 L9.18534718,17.4450386 Z" id="Oval-7"></path>
                    </g>
                    <path d="M34.6597385,24.809694 L5.71666084,4.76878945" id="Path-2" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                    <ellipse id="Oval" stroke="#CFDAE6" stroke-width="0.941176471" cx="3.26271186" cy="3.29411765" rx="3.26271186" ry="3.29411765"></ellipse>
                    <ellipse id="Oval-Copy" fill="#F7E1AD" cx="2.79661017" cy="61.1764706" rx="2.79661017" ry="2.82352941"></ellipse>
                    <path d="M34.6312443,39.2922712 L5.06366663,59.785082" id="Path-10" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                </g>
                <g id="Group-19" opacity="0.33" transform="translate(1282.537219, 446.502867) rotate(-10.000000) translate(-1282.537219, -446.502867) translate(1142.537219, 327.502867)">
                    <g id="Group-17" transform="translate(141.333539, 104.502742) rotate(275.000000) translate(-141.333539, -104.502742) translate(129.333539, 92.502742)" fill="#BACAD9">
                        <circle id="Oval-4" opacity="0.45" cx="11.6666667" cy="11.6666667" r="11.6666667"></circle>
                        <path d="M23.3333333,23.3333333 C23.3333333,16.8900113 18.1099887,11.6666667 11.6666667,11.6666667 C5.22334459,11.6666667 0,16.8900113 0,23.3333333 L23.3333333,23.3333333 Z" id="Oval-4" transform="translate(11.666667, 17.500000) scale(-1, -1) translate(-11.666667, -17.500000) "></path>
                    </g>
                    <circle id="Oval-5-Copy-6" fill="#CFDAE6" cx="201.833333" cy="87.5" r="5.83333333"></circle>
                    <path d="M143.5,88.8126685 L155.070501,17.6038544" id="Path-17" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M17.5,37.3333333 L127.466252,97.6449735" id="Path-18" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <polyline id="Path-19" stroke="#CFDAE6" stroke-width="1.16666667" points="143.902597 120.302281 174.935455 231.571342 38.5 147.510847 126.366941 110.833333"></polyline>
                    <path d="M159.833333,99.7453842 L195.416667,89.25" id="Path-20" stroke="#E0B4B7" stroke-width="1.16666667" opacity="0.6"></path>
                    <path d="M205.333333,82.1372105 L238.719406,36.1666667" id="Path-24" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M266.723424,132.231988 L207.083333,90.4166667" id="Path-25" stroke="#CFDAE6" stroke-width="1.16666667"></path>
                    <circle id="Oval-5" fill="#C1D1E0" cx="156.916667" cy="8.75" r="8.75"></circle>
                    <circle id="Oval-5-Copy-3" fill="#C1D1E0" cx="39.0833333" cy="148.75" r="5.25"></circle>
                    <circle id="Oval-5-Copy-2" fill-opacity="0.6" fill="#D1DEED" cx="8.75" cy="33.25" r="8.75"></circle>
                    <circle id="Oval-5-Copy-4" fill-opacity="0.6" fill="#D1DEED" cx="243.833333" cy="30.3333333" r="5.83333333"></circle>
                    <circle id="Oval-5-Copy-5" fill="#E0B4B7" cx="175.583333" cy="232.75" r="5.25"></circle>
                </g>
            </g>
        </g>
    </g>
</svg>); /* background-color: #112346; */ background-repeat: no-repeat; background-position: center right; background-size: 100%; } .login-container { border-radius: 10px; margin: 0px auto; margin-top: 20px; margin-bottom: 20px; width: 450px; padding: 30px 35px 15px 35px; background: #fff; border: 1px solid #eaeaea; text-align: left; box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1); } .title { margin: 0px auto 40px auto; text-align: center; color: #505458; } </style>②定义组件的和路由的关系
import Vue from 'vue' import Router from 'vue-router' import HelloWorld from '@/components/HelloWorld' import Login from '@/views/Login' import Register from '@/views/Register' Vue.use(Router) export default new Router({ routes: [ { path: '/', name: 'Login', component: Login },{ path: '/Login', name: 'Login', component: Login }, { path: '/Register', name: 'Register', component: Register } ] })③biz
int insertSelective(UserVo userVo);④bizimpl
@Override public int insertSelective(UserVo userVo) { return userMapper.insertSelective(userVo); }⑤controller
@RequestMapping("/userRegister") @ResponseBody public JsonResponseBody<?> userRegistered(UserVo userVo, HttpServletRequest request){ int insertSelective = userService.insertSelective(userVo); if(insertSelective>0){ return new JsonResponseBody<>("用户注册成功！",true,0,null); }else{ return new JsonResponseBody<>("注册失败，请稍后！",false,0,null); } }效果预览
四.跨域问题
①什么是跨域问题
跨域问题是指在浏览器中，由于浏览器的同源策略，不同域名之间的脚本无法直接交互。这是浏览器对JavaScript施加的安全限制。
如果您需要在不同域名之间进行数据交互，可以使用JSONP或CORS等技术来解决跨域问题
②怎么产生的？
在前后端分离的项目中，跨域问题是由于浏览器的同源策略而产生的。当浏览器检测到我们试图访问不同域的地址时（域名、端口号、协议中有一个不同就算是跨域），会抛出异常。
在前后端分离项目中，前端和后端部署在不同的服务器上，即使在同一台服务器下，端口号也可能不同。因此，前端需要通过ajax请求服务端API，传输数据用json格式。由于浏览器的同源策略，这种情况下就会产生跨域问题
③怎么解决
CorsFilter2 过滤器
这段代码的作用是配置Tomcat服务器允许来自任何域名的跨域访问，并允许客户端发送包含指定请求头的请求，以及指定允许的请求方法
package com.zking.ssm.util; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletResponse; /** * 配置tomcat允许跨域访问 * * * */ public class CorsFilter2 implements Filter { @Override public void init(FilterConfig filterConfig) throws ServletException { } @Override public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { HttpServletResponse httpResponse = (HttpServletResponse) servletResponse; // Access-Control-Allow-Origin就是我们需要设置的域名 // Access-Control-Allow-Headers跨域允许包含的头。 // Access-Control-Allow-Methods是允许的请求方式 httpResponse.setHeader("Access-Control-Allow-Origin", "*");// *,任何域名 httpResponse.setHeader("Access-Control-Allow-Headers", "responseType,Origin, X-Requested-With, Content-Type, Accept"); httpResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE"); //允许客户端处理一个新的响应头jwt //httpResponse.setHeader("Access-Control-Expose-Headers", "jwt,Content-Disposition"); filterChain.doFilter(servletRequest, servletResponse); } @Override public void destroy() { } }//这个过滤器，用于配置Tomcat服务器允许跨域访问。在这段代码中，过滤器实现了Filter接口，并重写了//init、doFilter和destroy方法。 //init方法是过滤器的初始化方法，但在这段代码中没有进行任何操作。 //doFilter方法是过滤器的核心方法，它接收三个参数：servletRequest表示客户端请求的ServletRequest对象，servletResponse表示服务器返回的ServletResponse对象，filterChain表示过滤器链中的下一个过滤器。 //在doFilter方法中，首先将servletResponse强制转换为HttpServletResponse类型，然后通过调用setHeader方法设置响应头信息，以实现跨域访问的配置。具体来说，设置了以下三个响应头信息： Access-Control-Allow-Origin：指定允许访问的域名，这里设置为"*"，表示允许任何域名访问。 Access-Control-Allow-Headers：指定允许的请求头字段，包括responseType、Origin、X-Requested-With、Content-Type和Accept。 Access-Control-Allow-Methods：指定允许的请求方法，包括POST、GET、PUT和DELETE。 最后，调用filterChain.doFilter(servletRequest, servletResponse)将请求传递给下一个过滤器进行处理。 //destroy方法是过滤器的销毁方法，但在这段代码中也没有进行任何操作。web.xml
<!--CrosFilter跨域过滤器--> <filter> <filter-name>corsFilter</filter-name> <filter-class>com.zking.ssm.util.CorsFilter2</filter-class> </filter> <filter-mapping> <filter-name>corsFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
好啦，今天的分享就到这了，希望能够帮到你呢！😊😊
